From: Padhu (LFG) (padhu@xxxxxxxxxxxx)
Date: Thu Aug 23 2001 - 18:21:59 GMT-3
This solution is dependent on ( tempermental on) IOS versions though.Some
work with redistribute connected (if the i/f is already not part of ospf
area)..Some work with redistribute connected (even if the i/f is already
part of ospf area)
Procedure:
1.On the ASBR create an ACL for the IGRP nets to be redistributed.
2. Redistribute mutually between IGRP and OSPF. Code summary-address
172.16.1.0 255.255.255.0
3. Kick off Debug ip ospf lsa-gen & debug ip routing
4. Include the directly connected /29 or /28 from the ospf side into the
above IGRP ACL
5. show ip ospf summary will show metric of 2^16
6. Clear ip ospf redistribution
7. show ip ospf summary will now show metric of 20
8. The /24 should now get redistributed into IGRP.
9. Use area-range elsewhere at the ABR to bring it to /24
Hope this helps.
This is not the way it is supposed to work. Summary works on the return path
in this case.
However this hack doesn't help me when i redistribute between ISIS and IGRP.
Cheers,Padhu
-----Original Message-----
From: Jim Brown [mailto:Jim.Brown@CaseLogic.com]
Sent: Thursday, August 23, 2001 2:15 PM
To: 'Padhu (LFG)'
Cc: 'ccielab@groupstudy.com'
Subject: RE: How to summarize connected interfaces in ISIS ?
Padhu,
Could you please expand on the redistribute connected + summary-address
hack. This may be the solution I'm looking for regarding VLSM to FLSM
redistribution.
-----Original Message-----
From: Padhu (LFG) [mailto:padhu@steinroe.com]
Sent: Thursday, August 23, 2001 12:02 PM
To: Ccielab (E-mail)
Subject: How to summarize connected interfaces in ISIS ?
My ASBR has /29 on the frame and /28 on the ethernet running igrp on another
subinterface with 24.
I can summarise all L1 routes to /24 as they enter L2, however the directly
connected interfaces
on the ASBR do NOT get redistributed into igrp even with redistribute
connected + summary address combo.
(The ospf summary hack method doesn't work here.)
Any suggestions.
Cheers,Padhu
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